**CIGAL Reference Manual, Chapter 6 (RealTime): r_line**
===== r_line -- Draw a line segment =====
**usage:  r_line opflg eflag ltime  Color x0 y0 [x1 y1]**

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**See Also:**\\
[[jvs:cigal|CIGAL Home]], 
[[jvs:cigal:manual|CIGAL Manual]], 
[[jvs:cigal:manual:chapter6|RealTime List]], 
[[jvs:cigal:manual:help|Manual Help]]